SORRY WE SUCK AT GIT

contracts/DadiAuction.sol

@@ -0,0 +1,58 @@
+pragma solidity ^0.4.18;
+
+contract DadiAuction {
+    address owner;
+    uint validTime;
+
+    mapping(uint => address) winners;
+    mapping(uint => uint) timeValidity;
+    uint numberOfWinners;
+    uint256 actualBid;
+
+    constructor() public {
+        owner = msg.sender;
+        validTime = now;
+    }
+
+    function bid() public payable {
+        if (validTime > now) { //if it's not a new auction
+            if (msg.value > actualBid) //if higher bidder
+            {
+                winners[numberOfWinners].send(actualBid);
+                winners[numberOfWinners] = msg.sender; //set the winner
+                actualBid = msg.value; //set the new value to be win
+            }
+        }
+        else
+        {
+            numberOfWinners ++; //increase index
+            validTime = now + 15 seconds; //set 15 sec time for auction
+            timeValidity[numberOfWinners] = validTime; //set it on the list
+            actualBid = msg.value; //set the current winning value
+            winners[numberOfWinners] = msg.sender; //set sender to winner
+        }
+    }
+
+    function controller() public view returns (address) {
+        if (timeValidity[numberOfWinners] < now){ //if the latest auction is not ongoing, return latest value
+            return winners[numberOfWinners];
+        }
+        else 
+        {
+            if (numberOfWinners > 1)
+            {
+                return winners[numberOfWinners - 1]; //return previous winner
+            }
+        }
+    }
+
+    function total() public view returns(uint256){
+         require (msg.sender == owner);
+            return(address(this).balance);
+    }
+
+   function withdraw() public {
+        require (msg.sender == owner);
+            msg.sender.transfer(address(this).balance);
+    }
+}